EP 0870219 A1 19981014 - METHOD OF CONTROLLING A SELF-COMPENSATING PROCESS SUBJECT TO DECELERATION, AND CONTROL DEVICE FOR CARRYING OUT THE METHOD
Title (en)
METHOD OF CONTROLLING A SELF-COMPENSATING PROCESS SUBJECT TO DECELERATION, AND CONTROL DEVICE FOR CARRYING OUT THE METHOD
Title (de)
VERFAHREN ZUR REGELUNG EINES VERZÖGERUNGSBEHAFTETEN PROZESSES MIT AUSGLEICH SOWIE REGELEINRICHTUNG ZUR DURCHFÜHRUNG DES VERFAHRENS
Title (fr)
PROCEDE ET DISPOSITIF DE REGULATION D'UN PROCESSUS AUTO-COMPENSATEUR SUSCEPTIBLE DE RALENTISSEMENT
Publication
Application
Priority
- DE 9602417 W 19961216
- DE 19548909 A 19951227
Abstract (en)
[origin: US6128586A] PCT No. PCT/DE96/02417 Sec. 371 Date Aug. 28, 1998 Sec. 102(e) Date Aug. 28, 1998 PCT Filed Dec. 16, 1996 PCT Pub. No. WO97/24648 PCT Pub. Date Jul. 10, 1997A method and device for controlling a self-regulating, delayed process, in particular a temperature control system, in which, after a first setpoint step change, the manipulated variable is set to its maximum value and an IT1 model of the process is identified on the basis of the step response. The time at which the manipulated variable must be reset for time-optimum control is calculated on the basis of this model. An additional, more precise model is determined if the rate of change of the controlled variable drops below a specific limit after the shut-off time. The parameters of a linear controller are set as a function of the more precise model, after which the controller controls the process in a non-linear mode. When additional setpoint step changes occur, a time for switching to a steady-state manipulated variable is calculated on the basis of the more precise model in order to achieve time-optimal control. The described control device adjusts to the process as early as after the first setpoint step change without requiring any knowledge about the process. The method and device may be used with adaptive controllers.
IPC 1-7
IPC 8 full level
G05B 13/02 (2006.01); G05B 11/36 (2006.01); G05B 13/04 (2006.01); G05B 23/02 (2006.01)
CPC (source: EP US)
G05B 13/042 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH DE ES FR GB IT LI
DOCDB simple family (publication)
US 6128586 A 20001003; AT E190141 T1 20000315; CN 1208475 A 19990217; DE 19548909 A1 19970703; DE 59604561 D1 20000406; EP 0870219 A1 19981014; EP 0870219 B1 20000301; ES 2144807 T3 20000616; JP H11502966 A 19990309; WO 9724648 A1 19970710
DOCDB simple family (application)
US 4383298 A 19980828; AT 96946197 T 19961216; CN 96199819 A 19961216; DE 19548909 A 19951227; DE 59604561 T 19961216; DE 9602417 W 19961216; EP 96946197 A 19961216; ES 96946197 T 19961216; JP 52396797 A 19961216